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Jaquet Partners AG 

Basel · Since 2001

Jaquet Partners AG is a family office that maintains sustainable values and focuses on long-term investments. It plans, develops and builds its own real estate projects and invests in real estate, private equity (Swiss small- and mid-cap companies and venture investments in startups) as well as in listed securities and selected funds and managers.

JB7 immo AG 

Basel · Since 2024

JB7 immo AG sells and markets selected residential properties, including apartments, houses and villas. The small family-owned firm offers a limited portfolio of carefully selected properties at fair prices and focuses on personal customer advice.

J. Bollig AG 

Basel · Since 2002

BROCANTHAUS is an antique and art dealership offering a wide range of products, including furniture, art objects, porcelain, glassware, silverware, coins, medals, design objects, lamps, carpets, clocks, wines and spirits, as well as books. The company's core activity is the sale of these products through an online shop and likely also through a physical store.

J.C. von Burg-Freymond Concept Consult 

Basel · Since 2019

The core activity of J.C. Freymond Concept Consult is the creation of creative concepts and consulting in the fields of art, design and culture. The company collaborates with various institutions, galleries, museums and artists and offers services such as concept development, project management and consulting.

JC Insurance Brokers GmbH 

Basel · Since 2019

The company is an insurance consulting firm specializing in the brokerage and management of insurance policies for business and private customers in Switzerland. The core activities include: insurance consulting and brokerage, management of existing and new insurance policies, creation of individual insurance packages, identification of under- and over-insurance and creation of savings potential, tax consulting and declaration for natural persons, financial consulting and planning. The company also offers additional services such as workshops, seminars, and support with tax returns.

Jean-David Cahn AG 

Basel · Since 1999

The core activity of Galerie Cahn is the trade in antique artworks, particularly from Greek, Etruscan and Roman antiquity, as well as the organization of exhibitions and auctions. The company also offers services such as provenance research and valuation of artworks and works closely with museums, collectors and other art experts. Furthermore, Galerie Cahn is also committed to contemporary art and offers young artists the opportunity to exhibit their works in the gallery's premises.

Jean-François Heim Galerie AG 

Basel · Since 2014

The core activity of Galerie Heim is the trade and sale of artworks, particularly paintings, drawings and sculptures, as well as the appraisal and marketing of art objects.

Jean Monnat Diamond Abrasives 

Basel · Since 2006

The core activity of Jean Monnat Diamond Abrasives is the manufacture of precision tools and abrasives, in particular broaches and grindstones, specifically designed for the processing of hard materials such as diamond, hard metal and ceramic.

Jeker Architekten SIA AG 

Basel · Since 1979

The core activity of Jeker Architekten is the planning and conception of construction projects, including single-family homes, apartment buildings, site analyses, building planning, conversion concepts, neighborhood and design planning, as well as the development of building and usage strategies for various types of buildings, such as residential buildings, service and administrative buildings, cultural and sports buildings, industrial buildings, and schools.

Jeker Finance 

Basel · Since 2020

The core activity of Jeker Finance is to provide services in the fields of tax consulting, financial planning, investment, insurance and legal consulting, particularly in the preparation of tax returns and the calculation of personal tax liabilities.

Jenisch Consulting GmbH 

Basel · Since 2017

The core activity of Jenisch Consulting GmbH is the consulting and optimization of business processes in companies, with the goal of increasing efficiency, reducing errors and quality losses, and making processes leaner and more efficient.

jessenvollenweider architektur ag 

Basel · Since 1999

The company jessenvollenweider is an architectural firm specializing in the planning and realization of construction projects. The company's core activity includes the creation of designs, the implementation of construction projects, and the renovation of existing buildings. The company also focuses on planning sustainable and energy-efficient solutions, such as the integration of photovoltaic systems into buildings.

Jet & Boat Cleaning Services GmbH 

Basel · Since 2015

The core activity of the company "Jet & Boat Cleaning Services GmbH" is the cleaning of jet skis and boats.

Jet Dienstleistungen AG 

Basel · Since 2011

Jet Dienstleistungen AG provides building and facility services, including routine and deep cleaning, glass and façade cleaning (including photovoltaic systems), and additional services such as grounds maintenance, demolition, clearances, waste disposal and transport.

jetzt.dev ag 

Basel · Since 2024

jetzt.dev ag develops custom software and provides agile development, systems integration and quality assurance for business clients. Its products include a Swiss company-news platform aimed at lawyers, public authorities and fiduciaries, and a task-and-mandate management application.

Jewels Basel GmbH 

Basel · Since 2020

The core activity of the company "Jewels Basel" is the organization and execution of an exhibition for exclusive jewelry, art and design. The company presents a selection of rare and collectible jewelry, art and design from various exhibitors and simultaneously offers a platform for artists and collectors.

JFG Life Sciences Stiftung der Universität Basel 

Basel · Since 2018

JFG Life Sciences Stiftung der Universität Basel supports the transfer of innovations from medical research to industry and particularly promotes young entrepreneurship. The foundation invests in life sciences and related companies in Switzerland and abroad and accepts tax-exempt donations.

JFM Speciality Fibres AG 

Basel · Since 2008

JFM Speciality Fibres AG trades in and processes animal fibres and raw materials for the textile industry, including dehaired cashmere, cashmere tops and noils, mulberry and tussah silk, camel hair and yak wool.

Jindella AG 

Basel · Since 2021

The company Jindella AG offers outsourcing services in various areas, including: Facility Management, Customer Service, Finance Services, HR Administration, IT specialists and IT services (including Helpdesk), Logistics, Master Data Management, Recruitment Consulting, Automation, Compliance Consulting, Controlling, HR Consulting, and Transfer Support. The core activity of the company is to support customers in outsourcing business processes and to design these processes efficiently and cost-effectively. The company offers a wide range of services to support customers in optimizing their business processes.

jjsscc GmbH 

Basel · Since 2018

The company jjsscc is a design and communications company specializing in the development of creative solutions for various clients and projects. The company's core activity includes the creation of design concepts, the connection of language and iconography, as well as the development of strategies and campaigns for various industries and clients. The company also offers consulting services and focuses on the development of innovative and high-quality solutions.

JLema GmbH 

Basel · Since 1997

JLema GmbH provides facility and cleaning services. Offerings include caretaking and garden maintenance, apartment and move-out cleaning (including end-cleaning with handover guarantee), professional window cleaning, and clearances.

JobKompass GmbH 

Basel · Since 2012

JobKompass GmbH provides career guidance and job coaching, including development of application dossiers, interview preparation, job-search support and assistance with business-plan development for self-employment.

Jobline GmbH 

Basel · Since 1997

Jobline GmbH is a recruitment agency that places candidates in temporary and permanent positions in technical and commercial sectors. Its services include permanent recruitment, temporary staffing, try & hire, probation placements and payroll administration.

Joerg Horat Baupartner AG 

Basel · Since 1980

The core activity of Joerg Horat Baupartner AG is real estate valuation and consulting, particularly as an independent building owner consultant and real estate appraiser.

Johann Wolfgang von Goethe-Stiftung 

Basel · Since 1968

Johann Wolfgang von Goethe-Stiftung supports and funds projects in the fields of culture, science and research, nature and environmental protection, European unity, and peace promotion. The foundation places emphasis on supporting young people and may assist both individuals and institutions, primarily in the Regio Basiliensis.

Jordi & Wälti AG 

Basel · Since 1998

The core activity of Jordi & Wälti AG is the planning, coordination and execution of construction projects, particularly in the area of renovations, conversions and interior fittings, with a focus on the processing and installation of various floor and wall coverings such as ceramics, natural stone, parquet, vinyl, carpet, PVC and mosaic.

Josef Oberle-Gedächtnisstiftung 

Basel · Since 1984

The core activity of the company "Josef Oberle-Gedächtnisstiftung" is to support needy individuals in financing their education and further training.

Josef und Olga Tomcsik-Stiftung 

Basel · Since 1966

The company's core activity is the management and allocation of foundation funds, as it is a foundation established by its founders Josef and Olga Tomcsik.

Joseph Haydn Stiftung 

Basel · Since 2013

The company's core activity is the organization, production and financing of music projects, in particular the performance and recording of Joseph Haydn's symphonies with renowned orchestras and conductors, as well as the publication of these recordings as a CD and vinyl collector's edition in book form.

Joss Treuhand 

Basel · Since 2002

The core activity of KMU Joss Treuhand GmbH is the provision of trust services for small and medium-sized enterprises, particularly in the areas of finance (accounting, etc.), human resources, and taxation. The company offers tailored services to support customers in managing their finances, personnel matters, and taxes, allowing them to focus on their core activities.

JP DL AG 

Basel · Since 2020

JP DL AG provides owner representation, project development and real estate advisory services for owners, companies, investors and the public sector, supporting projects from initial concept through completion. Services include client advisory and project support, target-group definition and positioning for new build, conversion and renovation, project and rent calculations, project steering and portfolio development (excluding property management).

JP Müller Textilpflege GmbH 

Basel · Since 2005

The core activity of JP Muller S.A.R.L is the maintenance and rental of professional laundry and clothing, particularly for commercial customers such as service providers, restaurants and hotels. The company offers a wide range of textile products focused on comfort, image, safety and durability, and also provides cleaning and rental services.

JP Steuer AG 

Basel · Since 2012

The core activity of JP Steuer AG is the provision of services in the field of taxes, including tax consulting and planning.

J. Safra Sarasin Anlagestiftung 2 

Basel · Since 2016

J. Safra Sarasin Säule 3a-Stiftung 

Basel · Since 1986

J. Safra Sarasin Freizügigkeitsstiftung 

Basel · Since 1997

J. Safra Sarasin Freizügigkeitsstiftung is a vested benefits foundation that manages vested-benefit accounts to preserve pension entitlements and optimise returns on pension assets. It offers BVG lifecycle investment plans, the option to invest in the BVG asset groups of the J. Safra Sarasin investment foundation, and provides the necessary documents and procedures for account opening, transfers and payouts.

J. Safra Sarasin Investmentfonds AG 

Basel · Since 1993

JTS Investments AG 

Basel · Since 2016

The core activity of JTS Investments AG is asset management, particularly in the areas of Private Banking, Investment Banking and Investment Advisory. The company offers its clients tailored solutions for managing their assets and focuses on the Swiss and Latin American markets.

JuAr Basel - Jugendarbeit Basel 

Basel · Since 2003

The core activity of JuAr Basel is youth work and childcare in the Basel region. This includes offers in school day structures, open youth work, youth centers, leisure programs and employment programs for unemployed young people. The company also provides practical training and security services.

Jugendpatronat St. Joseph 

Basel · Since 1989

The company's core activity is the promotion and support of social projects, particularly in the areas of children's and youth work, old-age and nursing homes, as well as integration and social togetherness. This includes, among other things, the organization of events, workshops and meetings, the support of non-profit projects and the provision of premises for various activities.

JULABO Schweiz GmbH 

Basel · Since 2024

JULABO Schweiz GmbH provides sales and service for temperature-control instruments and related accessories from the JULABO product range, including refrigerated and heating circulators, recirculating coolers and water baths.

Julia Jenny Design und Illustration 

Basel · Since 2016

The core activity of Julia Jenny is the creation of visual communication and design for various clients and projects, including corporate designs, brochures, information graphics, illustrations, animations, and web design. The company offers services in the fields of graphic design, illustration, and visual communication, positioning itself as a partner for clients seeking timeless, sustainable, and high-quality design.

julien.hairdesign GmbH 

Basel · Since 2024

julien.hairdesign GmbH is a hairdressing service offering haircuts and styling provided by the self-employed stylist Julien Walch. Services include precise haircuts and online appointment booking via SumUp.

Julliard Events GmbH 

Basel · Since 2004

The core activity of Julliard Events is the planning and implementation of events, particularly events such as parades, processions, town and village festivals, corporate events and meetings, as well as the brokerage of artists and consulting on event conception.

JUMA Solutions GmbH 

Basel · Since 2019

The core activity of JUMA Solutions GmbH is the consulting and management of real estate objects, including legal consulting, project accompaniment and administrative support.

Jungbunzlauer International AG 

Basel · Since 1991

Jungbunzlauer International AG produces naturally derived ingredients for use across food, beverage, nutrition, animal nutrition, personal care, home care, healthcare and industrial applications. Its portfolio includes acidulants, texturants, mineral salts and sweeteners, and the company provides technical support, research and development and sustainability-related initiatives.

Jungbunzlauer Holding AG 

Basel · Since 1970

Junge Kultur Basel 

Basel · Since 2016

The core activity of JKB (Johann Killer & Bösch) is the production and distribution of baked goods and dough products, particularly bread, rolls, cakes and other baked goods.

Jungi & Partner 

Basel · Since 1996

The company Jungi & Partner offers services in the areas of visual communication, brand appearances, and Artificial Intelligence (AI). The core activities include: Development and implementation of brand appearances (CI/CD) and visual communication, creation of advertising concepts and their implementation, graphic design and photorealistic visualizations, training and workshops on the application of AI tools in the areas of image generation, social media, marketing, and video, as well as individual AI training and workshops for companies and individuals. The company positions itself as a partner for SMEs (Small and Medium-sized Enterprises) and offers certified AI training and workshops.

jusp architecture GmbH 

Basel · Since 2023

The core activity of the company "jusp architecture" is the provision of architectural services, in particular the planning and realization of renovation and new construction projects, as well as project management and direction in the field of architecture.